| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | #ifndef QQuickPARTICLEGROUP |
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| 4 | #define QQuickPARTICLEGROUP |
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| 5 | |
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| 6 | // |
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| 7 | // W A R N I N G |
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| 8 | // ------------- |
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| 9 | // |
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| 10 | // This file is not part of the Qt API. It exists purely as an |
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| 11 | // implementation detail. This header file may change from version to |
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| 12 | // version without notice, or even be removed. |
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| 13 | // |
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| 14 | // We mean it. |
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| 15 | // |
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| 16 | #include <private/qquickspriteengine_p.h> |
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| 17 | #include "qquickparticlesystem_p.h" |
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| 18 | #include "qqmlparserstatus.h" |
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| 19 | |
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| 20 | QT_BEGIN_NAMESPACE |
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| 21 | |
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| 22 | class Q_QUICKPARTICLES_EXPORT QQuickParticleGroup : public QQuickStochasticState, |
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| 23 | public QQmlParserStatus |
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| 24 | { |
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| 25 | Q_OBJECT |
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| 26 | Q_PROPERTY(QQuickParticleSystem* system READ system WRITE setSystem NOTIFY systemChanged) |
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| 27 | |
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| 28 | //Intercept children requests and assign to the group & system |
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| 29 | Q_PROPERTY(QQmlListProperty<QObject> particleChildren READ particleChildren DESIGNABLE false)//### Hidden property for in-state system definitions - ought not to be used in actual "Sprite" states |
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| 30 | Q_CLASSINFO("DefaultProperty" , "particleChildren" ) |
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| 31 | QML_NAMED_ELEMENT(ParticleGroup) |
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| 32 | QML_ADDED_IN_VERSION(2, 0) |
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| 33 | Q_INTERFACES(QQmlParserStatus) |
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| 34 | |
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| 35 | public: |
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| 36 | explicit QQuickParticleGroup(QObject *parent = nullptr); |
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| 37 | |
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| 38 | QQmlListProperty<QObject> particleChildren(); |
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| 39 | |
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| 40 | QQuickParticleSystem* system() const |
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| 41 | { |
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| 42 | return m_system; |
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| 43 | } |
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| 44 | |
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| 45 | public Q_SLOTS: |
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| 46 | |
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| 47 | void setSystem(QQuickParticleSystem* arg); |
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| 48 | |
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| 49 | void delayRedirect(QObject* obj); |
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| 50 | |
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| 51 | Q_SIGNALS: |
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| 52 | |
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| 53 | void systemChanged(QQuickParticleSystem* arg); |
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| 54 | |
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| 55 | protected: |
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| 56 | void componentComplete() override; |
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| 57 | void classBegin() override {} |
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| 58 | |
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| 59 | private: |
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| 60 | |
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| 61 | void performDelayedRedirects(); |
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| 62 | |
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| 63 | QQuickParticleSystem* m_system; |
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| 64 | QList<QObject*> m_delayedRedirects; |
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| 65 | }; |
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| 66 | |
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| 67 | QT_END_NAMESPACE |
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| 68 | |
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| 69 | #endif |
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| 70 | |
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